package com.suixun.interceptor;
import java.text.DateFormat;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import javax.servlet.http.HttpServletRequest;
import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.ParameterMapping;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.plugin.Intercepts;
import org.apache.ibatis.plugin.Invocation;
import org.apache.ibatis.plugin.Plugin;
import org.apache.ibatis.plugin.Signature;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.ResultHandler;
import org.apache.ibatis.session.RowBounds;
import org.apache.ibatis.type.TypeHandlerRegistry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import com.authority.utils.TokenUtils;
import com.suixun.entity.Adminoperationlog;
import com.suixun.queue.DBUpdateLogDeal;
import com.suixun.util.Reference;

@Intercepts({
	@Signature(type = Executor.class, method = "update", args = {MappedStatement.class,
            Object.class}),
    @Signature(type = Executor.class, method = "query", args = {MappedStatement.class,
            Object.class, RowBounds.class, ResultHandler.class})})
public class MybatisInterceptor implements Interceptor {
    protected static Logger logger = LoggerFactory.getLogger(MybatisInterceptor.class);
    private Properties properties;
    @Override
    public Object intercept(Invocation invocation) throws Throwable {
        MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[0];
        Object parameter = null;
        if (invocation.getArgs().length > 1) {
            parameter = invocation.getArgs()[1];
        }
        String sqlId = mappedStatement.getId();
        BoundSql boundSql = mappedStatement.getBoundSql(parameter);
        Configuration configuration = mappedStatement.getConfiguration();
        Object returnValue = null;
        long start = System.currentTimeMillis();
        returnValue = invocation.proceed();
        long end = System.currentTimeMillis();
        long time = (end - start);
        Reference<String> updatesql = new Reference<>("");
        String sql = getSql(configuration, boundSql, sqlId, time, updatesql);
        if (invocation.getMethod().getName().equals("update")||invocation.getMethod().getName().equals("add")||
        		invocation.getMethod().getName().equals("delete")) {
            if (!sql.contains("useroperationlogs")) {
                Adminoperationlog adminoperationlog = new Adminoperationlog();
                adminoperationlog.setAddtime(new Date());
                if(null!=RequestContextHolder.getRequestAttributes()){
                	HttpServletRequest request =
                            ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes())
                                    .getRequest();
                	String url = request.getRequestURI();
                	if (url != null && !url.contains("importDevice") && !url.contains("importSim") && !url.contains("addDeviceReserve")) {
                		if (request.getSession().getAttribute("token") != null) {
                			Long authuserid = TokenUtils.getUid(request.getSession().getAttribute("token").toString());
                			adminoperationlog.setAuthuserid(authuserid);
                			adminoperationlog.setData(updatesql.get());
                			adminoperationlog.setApi(request.getRequestURI());
                			DBUpdateLogDeal.add(adminoperationlog);
                		}
                	}
                }
            }
        }
        return returnValue;
    }

    public static String getSql(Configuration configuration, BoundSql boundSql, String sqlId,
            long time, Reference<String> updatesql) {
        String sql = showSql(configuration, boundSql);
        updatesql.set(sql);
        StringBuilder str = new StringBuilder(100);
        str.append(sqlId);
        str.append(":");
        str.append(sql);
        str.append(":");
        str.append(time);
        str.append("ms");
        return str.toString();
    }

    private static String getParameterValue(Object obj) {
        String value = null;
        if (obj instanceof String) {
            value = "'" + obj.toString() + "'";
        } else if (obj instanceof Date) {
            DateFormat formatter =
                    DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT,
                            Locale.CHINA);
            value = "'" + formatter.format(obj) + "'";
        } else {
            if (obj != null) {
                value = obj.toString();
            } else {
                value = "";
            }

        }
        return value;
    }

    public static String showSql(Configuration configuration, BoundSql boundSql) {
        Object parameterObject = boundSql.getParameterObject();
        List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
        String sql = boundSql.getSql().replaceAll("[\\s]+", " ");
        if (parameterMappings.size() > 0 && parameterObject != null) {
            TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry();
            if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
                sql = sql.replaceFirst("\\?", getParameterValue(parameterObject));

            } else {
                MetaObject metaObject = configuration.newMetaObject(parameterObject);
                for (ParameterMapping parameterMapping : parameterMappings) {
                    String propertyName = parameterMapping.getProperty();
                    if (metaObject.hasGetter(propertyName)) {
                        Object obj = metaObject.getValue(propertyName);
                        sql = sql.replaceFirst("\\?", getParameterValue(obj));
                    } else if (boundSql.hasAdditionalParameter(propertyName)) {
                        Object obj = boundSql.getAdditionalParameter(propertyName);
                        sql = sql.replaceFirst("\\?", getParameterValue(obj));
                    }
                }
            }
        }
        return sql;
    }

    @Override
    public Object plugin(Object target) {
        return Plugin.wrap(target, this);
    }

    @Override
    public void setProperties(Properties properties0) {
        this.properties = properties0;
    }
}
